Steff's blocknote @steff1024 - Tumblr Blog

SpaceX's new raptor engine is a methane fueled full flow staged combustion cycle engine and its so hard to develop, no engine like this has ever flown before!Now this topic can be really intimidating so in order to bring the Raptor engine into context, we’re going to do an overview of a few common types of rocket engine cycles then compare the Raptor to a few other common rocket engines, like SpaceX’s current work horse, the Merlin, The Space Shuttle’s RS-25, the RD-180, Blue Origin’s BE-4 and the F-1 engine.

#spacex

The History of the Camera

Popping vitamins is no substitute for eating nutritious foods, study suggests.

From Kathmandu to the top of the world, here’s an overview of the most popular route to Everest’s summit

(via Earth is (always has been) round, so why have the flat-out wrong become so lively? | Ars Technica)

DIY Quantum Dots(Nanotech in Your Kitchen): I'm an undergrad researcher in material science and nanomaterials. For years I've wanted a simple science experiment that a child could do with parental or adult supervision for nanoscience outreach. I'm tired of simple baking soda volcanoes. You ...

#diy projects

by Ben Reade. This paper was first published in 'Wrapped and Stuffed: Proceedings of the Oxford Symposium on Food and Cookery 2012'. The complete Proceedings is available from Prospect Books ; a video recording of the presentation of this paper can be found here (starting at 33 minu

#butter